An indoor and outdoor positioning system with automatic switching function
An indoor and outdoor positioning and automatic switching technology, applied in the field of positioning systems, can solve problems such as limiting the scope of application fields, and achieve the effects of reducing manual intervention, improving positioning accuracy, and flexible and fast networking
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[0020] The accompanying drawing is a specific embodiment of the present invention. This embodiment includes a corresponding RFID tag and an RFID reader. The RFID tag is integrated with a microcontroller 1 and embedded with a GPS module 2, a wireless communication module 3 and a GSM module 4. The microcontroller 1 and the GPS module 2 , the wireless communication module 3, the GSM module 4, the power supply module 5 and the Flash RAM6 are communicated with each other, and the wireless communication module 3 is communicated with the antenna 7; the RFID reader includes the RS232 interface and the microcontroller 1, the microcontroller 1 and the wireless The communication module 3, the GSM module 4, the power module 5, and the Flash RAM6 are interconnected; the RFID tag and the RFID reader work in the 2.4G ISM frequency band; the RFID reader wirelessly forms a multi-hop self-organizing network Connect them to build a network of RFID readers.
[0021] When the position information...
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